Learn about Spanning Tree Protocol (STP) in this 21-minute video tutorial by Bill Buchanan OBE. Explore key concepts including transparent bridges, CAM tables, learning and aging processes, and loop prevention. Dive into STP fundamentals such as root switch election, port costs, and root port selection. Understand convergence times and discover STP enhancements like uplinks, Multiple Spanning Tree (MST), and Etherchannels. Gain valuable insights into network redundancy and loop prevention techniques for Cisco networking environments.